Energy & Green Tech

New all-liquid iron flow battery for grid energy storage

A commonplace chemical used in water treatment facilities has been repurposed for large-scale energy storage in a new battery design by researchers at the Department of Energy's Pacific Northwest National Laboratory. The ...

Energy & Green Tech

Nanofluidic device generates power with saltwater

There is a largely untapped energy source along the world's coastlines: the difference in salinity between seawater and freshwater. A new nanodevice can harness this difference to generate power.

Energy & Green Tech

The role of energy density for grid-scale batteries

Because the sun does not shine at night but all our screens do, we need energy storage to shift solar energy production during the day to when it is needed in the evening. To cope with this intermittence of renewables, we ...

Engineering

Next-generation flow battery design sets records

A common food and medicine additive has shown it can boost the capacity and longevity of a next-generation flow battery design in a record-setting experiment.

Energy & Green Tech

Solar investment outshines oil: IEA

Investment in solar power is expected to overtake oil for the first time this year as clean energy spending outpaces that for fossil fuels, the IEA said in a report Thursday.

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